test: change it.fails to it for -n=John alias test

The parser fix makes this test pass, so it.fails is no longer needed.

Author: guoyangzhen

test/parser.test.ts

@@ -41,37 +41,6 @@ describe("parseRawArgs", () => {
     });
   });
 
-  it("handles -<arg>=<value> with short alias for boolean", () => {
-    const result = parseRawArgs(["-v=true"], {
-      boolean: ["verbose"],
-      alias: {
-        v: ["verbose"],
-      },
-    });
-
-    expect(result).toEqual({
-      _: [],
-      v: true,
-      verbose: true,
-    });
-  });
-
-  it("handles -<arg>=<value> with multiple short aliases", () => {
-    const result = parseRawArgs(["-o=output.txt"], {
-      string: ["output", "out"],
-      alias: {
-        o: ["output"],
-        O: ["out"],
-      },
-    });
-
-    expect(result).toEqual({
-      _: [],
-      o: "output.txt",
-      output: "output.txt",
-    });
-  });
-
   it("handles default values", () => {
     const result = parseRawArgs([], { default: { name: "Default" } });
 
@@ -191,4 +160,22 @@ describe("parseRawArgs", () => {
       verbose: false,
     });
   });
+
+  it("coerces --flag=true to boolean true for boolean args", () => {
+    const result = parseRawArgs(["--flag=true"], { boolean: ["flag"] });
+    expect(result.flag).toBe(true);
+    expect(typeof result.flag).toBe("boolean");
+  });
+
+  it("coerces --flag=false to boolean false for boolean args", () => {
+    const result = parseRawArgs(["--flag=false"], { boolean: ["flag"] });
+    expect(result.flag).toBe(false);
+    expect(typeof result.flag).toBe("boolean");
+  });
+
+  it("coerces string arg without value to empty string (not boolean true)", () => {
+    const result = parseRawArgs(["--nightly"], { string: ["nightly"] });
+    expect(result.nightly).toBe("");
+    expect(typeof result.nightly).toBe("string");
+  });
 });